1STRUCT UIO_INFO(9)       Device drivers infrastructure      STRUCT UIO_INFO(9)
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NAME

6       struct_uio_info - UIO device capabilities
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SYNOPSIS

9       struct uio_info {
10         struct uio_device * uio_dev;
11         const char * name;
12         const char * version;
13         struct uio_mem mem[MAX_UIO_MAPS];
14         struct uio_port port[MAX_UIO_PORT_REGIONS];
15         long irq;
16         unsigned long irq_flags;
17         void * priv;
18         irqreturn_t (* handler) (int irq, struct uio_info *dev_info);
19         int (* mmap) (struct uio_info *info, struct vm_area_struct *vma);
20         int (* open) (struct uio_info *info, struct inode *inode);
21         int (* release) (struct uio_info *info, struct inode *inode);
22         int (* irqcontrol) (struct uio_info *info, s32 irq_on);
23       };
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MEMBERS

26       uio_dev
27           the UIO device this info belongs to
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29       name
30           device name
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32       version
33           device driver version
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35       mem[MAX_UIO_MAPS]
36           list of mappable memory regions, size==0 for end of list
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38       port[MAX_UIO_PORT_REGIONS]
39           list of port regions, size==0 for end of list
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41       irq
42           interrupt number or UIO_IRQ_CUSTOM
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44       irq_flags
45           flags for request_irq
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47       priv
48           optional private data
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50       handler
51           the device's irq handler
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53       mmap
54           mmap operation for this uio device
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56       open
57           open operation for this uio device
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59       release
60           release operation for this uio device
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62       irqcontrol
63           disable/enable irqs when 0/1 is written to /dev/uioX
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66Kernel Hackers Manual 3.10         June 2019                STRUCT UIO_INFO(9)
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